00367nam a2200133Ia 4500003000400000005001700004008004100021020001800062082001800080100001600098245005000114260005900164300001000223TMU20260502152337.0161008s9999    xx            000 0 und d  a9788190746250  a577.14bGop-L  aGopalan, R.  aLaboratory Manual for Environmental Chemistry  bI.K. International Publishing House c2009aNew Delhi   a192p.